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4vir4ik [10]
3 years ago
15

Suppose that a dependent quantity increases when the independent quantity is decreased. This kind of proportional relationship b

etween the two quantities is called
Chemistry
1 answer:
Anna71 [15]3 years ago
3 0
I thinks it’s not this article we should cajnges it
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If 0.500 mole of calcium carbonate is produced in a particular reaction, how many moles of sodium chloride are produced in the s
blsea [12.9K]

Answer: 1mole of NaCl

Explanation:

Looking at the given equation :CaCl2 (aq) + Na2CO3 (aq) → CaCO3 (s) + 2 NaCl (aq)

The following deductions can be made,

1 mole of CaCl2 reacted with 1 mole of Na2CO3 to produce 1mole of CaCO3 and 2NaCl.

If 0.500 mole of CaCO3 was produced from this same reaction,it therefore means that we multiply the coefficients of both reactants and product by 0.500 to know the moles of NaCl that will also come out from this same reaction..

So we have the new equation to be:

0.5CaCl2 (aq) + 0.5 Na2CO3 (aq) → 0.5 CaCO3 (s) + 1 NaCl (aq)

From the new equation,1mole of NaCl will be produce alongside 0.5mole of CaCO3,when 0.5mole of CaCl2 reacts with.0.5mole Na2CO3.

6 0
3 years ago
Read 2 more answers
Which of the following solutes will lower the freezing point of water the most? NaCl, CaCl2!or AlBr3
MA_775_DIABLO [31]
This uses the concept of freezing point depression. When faced with this issue, we use the following equation:
ΔT = i·Kf·m
which translates in english to:
Change in freezing point = vant hoff factor * molal freezing point depression constant * molality of solution
Because the freezing point depression is a colligative property, it does not depend on the identity of the molecules, just the number of them.
Now, we know that molality will be constant, and Kf will be constant, so our only unknown is "i", or the van't hoff factor.
The van't hoff factor is the number of atoms that dissociate from each individual molecule. The higher the van't hoff factor, the more depressed the freezing point will be.
NaCl will dissociate into Na+ and Cl-, so it has i = 2
CaCl2 will dissociate into Ca2+ and 2 Cl-, so it has i = 3
AlBr3 will dissociate into Al3+ and 3 Br-, so it has i = 4
Therefore, AlBr3 will lower the freezing point of water the most.
6 0
3 years ago
What type of reaction is this?
marysya [2.9K]
Decomposition reaction
4 0
3 years ago
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How do you create flu vaccine, <br>​
saul85 [17]

Answer:

Explanation:

The fluid containing virus is harvested from the eggs. For inactivated influenza vaccines (i.e., flu shots), the vaccine viruses are then inactivated (killed), and the virus antigen is purified. The manufacturing process continues with quality testing, filling and distribution.

5 0
4 years ago
What term describes the smallest unit that can perform all of the functions necessary for life
Jobisdone [24]

Answer:

Cell

A cell is the smallest unit of a living thing. Cells are the basic building blocks of all organisms

5 0
3 years ago
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